JPS62115480U - - Google Patents

Description

[Brief explanation of the drawing]

The drawings show an embodiment of the hinge device in the door body of the present invention, and FIG. 1 is an exploded perspective view of the hinge device;
Figure 2 is a perspective view showing the state assembled to the door body, Figure 3
The figure is a plan view showing the door body opened 90 degrees.
The figure is a sectional view taken along line A-A in Figure 3, and Figure 5 is 1
FIG. 4 is a sectional view taken along line BB in FIG. 3 with the door opened at 80 degrees. 1...Body side hinge, 3...Rotation axis, 4...Rotation hinge,
6... Locking edge, 7... Hinge shaft, 8... Guide groove, 9... Locking plate, 10... Locking portion, 12... Guide member, 13...
Locking protrusion, 14... Locking recess, 15... Spacer, 1
6...Guide plate, 17...Bearing washer, 18...Cylinder shaft, 1
9... Locking rib, 20... Diagonal surface, 21, 24... Engagement cam, 30... Door body.

Amendment July 31, 1986 The scope of claims for utility model registration is amended as follows.

[Claims for Utility Model Registration] In a hinge device for opening and closing a door body at an angle exceeding 90 degrees, a main body hinge comprising a rotating shaft protruding from one end and a front edge with a diagonal surface formed at the front end. and a hinge mounted on the rotation axis to constitute a first rotation axis, connected to the main body side hinge by a 90 degree displacement limiting means, and located eccentrically from the first rotation axis. a rotating hinge having a protruding shaft; a locking plate formed with a locking rib that slides along the diagonal surface at the top end of the locking portion; an extrapolated synthetic resin spacer, a bearing washer fixed to one end of the door body and axially connected to the hinge shaft to constitute a second pivot shaft, and a hinge shaft between the locking plate and the bearing washer. and a cam displacement means consisting of a pair of engaging cams arranged to face the guide plate and the guide member so that the locking plate is displaced in the axial direction by rotational displacement of the locking plate and the bearing washer. A hinge device for a door body, characterized in that:

Claims (1)

[Scope of Claim for Utility Model Registration] A hinge device for opening and closing a door body over 90 degrees, including a main body side hinge having a rotating end protruding from one end and a leading edge at the front end; The hinge shaft is connected to the main body side hinge by means of a 90-degree displacement limiting means, and has a hinge shaft protruding from a position eccentric to the first pivot shaft. a rotating hinge; a locking plate that is slidably supported in the axial direction with respect to the rotating hinge and protrudes or retreats as the locking portion moves toward the front edge of the main body side hinge; a bearing washer fixed to one end and axially connected to the hinge shaft to constitute a second rotation shaft; and a bearing washer configured to be fitted over the hinge shaft of the locking plate and the bearing washer, the locking plate and the bearing washer A hinge device for a door body, comprising a guide plate and a cam displacement means consisting of a pair of engaging cams arranged opposite to the guide member so as to displace the locking plate in the axial direction by rotational displacement of the guide member.